One of the most dangerous plays in football, the kickoff, is getting a makeover this year. The NFL introduced new rules aimed at reducing injuries while also making the game more exciting. Sanjay talks with Dr. Allen Sills, the NFL’s Chief Medical Officer, about the future of football, how to balance safety with excitement, and what it’s like to be brain doctors who love a dangerous game.

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Anxiety and depression are surging on college campuses, according to research from the University of Michigan. Two in five teens say they feel persistently sad or lonely, in a recent report from the U.S. Centers for Disease Control and Prevention. Sanjay sits down with psychologist Dr. Nance Roy to unpack why college student mental health was declining long before the pandemic, what’s impacting students’ wellbeing, and some steps to foster a healthy semester.

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New developments in actor Matthew Perry’s death are shining a light on the ethics and efficacy of using ketamine as a therapeutic drug. To learn more about the promise and pitfalls of ketamine treatment, CNN’s Chief Medical Correspondent Dr. Sanjay Gupta turns to David Feifel, one of the first clinicians in the country to use ketamine to specifically treat depression.

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This has been the hottest summer on record for nearly 100 US cities. Extreme heat isn't just uncomfortable, it can also cause a lot of harm -- even death. Dr. Sanjay Gupta talks to Dr. Gaurab Basu, a Harvard assistant professor and climate change expert about the very real effects of extreme temperatures on the human body. 

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We've all heard about the importance of wearing sunscreen, but recent headlines have raised questions about the safety and effectiveness of certain ingredients found in chemical sunscreens. In this special Chasing Life: Spotlight, CNN Medical Correspondent Meg Tirrell investigates some of the questions and concerns surrounding sunscreen. She speaks with skin cancer researcher Dr. Rachel Neale and Dr. Laura Vandenberg, who studies potential effects of certain sunscreen chemicals on hormone function. Hear about the latest findings on ingredient safety and how they could impact your daily sun protection routine. 

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How would you define a “good” life? Is it being married with kids? Traveling with friends? Basking in fame and fortune? The Harvard Study on Adult Development has spent nearly 90 years examining what makes people happy and healthy over a lifetime. The director of the study, Dr. Robert Waldinger, has shared the findings in his book, “The Good Life: Lessons from the Longest Scientific Study on Happiness.” He tells Dr. Sanjay Gupta why no one should expect to be happy all the time, and how men and women measure happiness differently. 

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Nearly 11,000 athletes are competing in the Paris Olympic Games right now. They’ve been training their bodies to compete at the highest levels of sport. But what kind of mindset does it take to bring home the gold, silver or bronze medal? How do they navigate nerves and perform under pressure? Cognitive scientist, Dartmouth College President and former athlete, Sian Beilock says that practicing under pressure situations and focusing on the present can help. Plus, four-time Olympic medalist, Dominique Dawes recounts how she overcame several stumbles and still won gold. 

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We’ve all heard the phrase, “money doesn’t buy happiness.” But, Elizabeth Dunn, a professor in the Department of Psychology at the University of British Columbia, says that isn’t necessarily true. She sits down with Dr. Sanjay Gupta, CNN’s Chief Medical Correspondent, to talk about her research into getting the “biggest happiness bang for our bucks,” and lessons from her book, “Happy Money: The Science of Happier Spending.”

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Have you ever wondered why some people seem naturally happier than others? Or if there are any universal keys to happiness? Sanjay sits down with social psychologist and University of California Riverside Professor Sonja Lyubomirsky who has been studying happiness for the last 35 years. The author of The How of Happiness discusses her findings and what she calls “happiness interventions” as well as how we can apply these practices in our own lives to boost our happiness.  

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Trying new things. Setting Goals. Rebounding from setbacks.  All of these tasks have at least one thing in common – they require confidence. And according to neuropsychologist Ian Robertson, confidence can also make us happier. Robertson is the T Boone Pickens Distinguished Chair at the Center for BrainHealth, UT Dallas, an Emeritus Professor at Trinity College in Dublin, Ireland, and author of How Confidence Works: The New Science of Self Belief. He and Dr. Sanjay Gupta discuss how confidence might be the most important resource for well-being and why imposter syndrome isn’t such a bad thing. 

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